Viber offers Free Call Outside the Philippines for Free to help people affected by the typhoon Haiyan/Yolanda
Viber posted an updated on their app, that lets user call for free outside the Philippines using the Viber app even they are not a viber user here is the official post.
In light of the current situation in the Philippines, we are opening a temporary service, allowing Filipino users to call regular (non Viber) numbers outside of the Philippines for free. Please note that this is not a final product, so not all countries are supported and quality may vary. You may have to restart your phone for this to work.
To call someone using this service, go to any contact in Viber and tap any of the numbers listed next to “Viber Out”.
Call your family now. Let them know you are ok!
Visit the link for more info viber.com/typhoon